破坏地

Aiming at difficulties in supporting dilatable soft rock roadway, control method was put forward to control effectively deformation and failure of dilatable soft rock roadway in Hongmiao Colliery.

针对红庙煤矿膨胀性软岩巷道存在的难题，给出针对性的巷道方案，并在实到验，有效地红庙煤矿膨胀性软岩巷道的变形和破坏。